From 2311c52ebf6c6dc8269c40a2cdba583520dd987b Mon Sep 17 00:00:00 2001
From: suchmememanyskill <suchmememanyskill@users.noreply.github.com>
Date: Mon, 19 Jul 2021 12:28:40 +0200
Subject: [PATCH] remove old gc code

---
 source/fs/menus/filemenu.c       |   3 -
 source/script/ABadIdeaVersion3.c |   3 -
 source/script/garbageCollector.c | 116 +------------------------------
 source/script/garbageCollector.h |   4 --
 4 files changed, 1 insertion(+), 125 deletions(-)

diff --git a/source/fs/menus/filemenu.c b/source/fs/menus/filemenu.c
index 0beff1a..34aba6b 100644
--- a/source/fs/menus/filemenu.c
+++ b/source/fs/menus/filemenu.c
@@ -98,8 +98,6 @@ void RunScript(char *path, FSEntry_t entry){
     lexarVectorClear(&ctx.script);
     */
 
-    gfx_printf("Init gc\n");
-    initGarbageCollector();
     gfx_printf("Parsing\n");
     ParserRet_t ret = parseScript(script, size);
     free(script);
@@ -111,7 +109,6 @@ void RunScript(char *path, FSEntry_t entry){
     Variable_t* res = eval(ret.main.operations.data, ret.main.operations.count, 1);
 
     exitRuntimeVars();
-    exitGarbageCollector();
     exitStaticVars(&ret.staticVarHolder);
     exitFunction(ret.main.operations.data, ret.main.operations.count);
     vecFree(ret.staticVarHolder);
diff --git a/source/script/ABadIdeaVersion3.c b/source/script/ABadIdeaVersion3.c
index 5e0a4e0..5da3b17 100644
--- a/source/script/ABadIdeaVersion3.c
+++ b/source/script/ABadIdeaVersion3.c
@@ -62,8 +62,6 @@ int main()
 
     return;
     */
-    
-    initGarbageCollector();
 
     char* script = readFile("input.te");
     if (script == NULL)
@@ -80,7 +78,6 @@ int main()
     Variable_t* res = eval(ret.main.operations.data, ret.main.operations.count, 1);
 
     exitRuntimeVars();
-    exitGarbageCollector();
     exitStaticVars(&ret.staticVarHolder);
     exitFunction(ret.main.operations.data, ret.main.operations.count);
     vecFree(ret.staticVarHolder);
diff --git a/source/script/garbageCollector.c b/source/script/garbageCollector.c
index 0eaca3b..11bd98e 100644
--- a/source/script/garbageCollector.c
+++ b/source/script/garbageCollector.c
@@ -3,23 +3,6 @@
 #include "compat.h"
 #include "garbageCollector.h"
 
-typedef struct {
-	Variable_t* ref;
-	u16 refCount;
-} ReferenceCounter_t;
-
-Vector_t pendingAdd = { 0 };
-Vector_t pendingRemove = { 0 };
-Vector_t storedReferences = { 0 };
-
-void initGarbageCollector() {
-	pendingAdd = newVec(sizeof(Variable_t*), 4);
-	pendingRemove = newVec(sizeof(Variable_t*), 4);
-	storedReferences = newVec(sizeof(ReferenceCounter_t), 8);
-}
-
-// TODO: create binary tree for this!
-
 void modReference(Variable_t* ref, u8 add) {
 	if (ref == NULL || ref->gcDoNotFree)
 		return;
@@ -30,6 +13,7 @@ void modReference(Variable_t* ref, u8 add) {
 	else {
 		ref->tagCount--;
 		if (ref->tagCount <= 0) {
+			// TODO: move to parser.c
 			if (ref->variableType == FunctionClass && ref->function.builtIn && ref->function.origin != NULL)
 				modReference(ref->function.origin, 0);
 
@@ -39,102 +23,4 @@ void modReference(Variable_t* ref, u8 add) {
 			freeVariable(&ref);
 		}
 	}
-
-	/*
-	ReferenceCounter_t* additionalFree = NULL;
-
-	vecForEach(ReferenceCounter_t*, references, (&storedReferences)) {
-		if (!add && (
-			(ref->variableType == FunctionClass && ref->function.builtIn && references->ref == ref->function.origin) || 
-			(ref->variableType == SolvedArrayReferenceClass && references->ref == ref->solvedArray.arrayClassReference)))
-			if (--references->refCount <= 0) {
-				additionalFree = references;
-				continue;
-			}
-
-		if (references->ref == ref) {
-			if (add)
-				references->refCount++;
-			else {
-				if (--references->refCount <= 0) {
-					freeVariable(&references->ref);
-					vecRem(&storedReferences, ((u8*)references - (u8*)storedReferences.data) / storedReferences.elemSz);
-
-					if (additionalFree != NULL) {
-						freeVariable(&additionalFree->ref);
-						vecRem(&storedReferences, ((u8*)additionalFree - (u8*)storedReferences.data) / storedReferences.elemSz);
-					}
-				}
-			}
-
-			return;
-		}
-	}
-	
-	if (!add)
-		return;
-
-	ReferenceCounter_t r = { .ref = ref, .refCount = 1 };
-	vecAdd(&storedReferences, r);
-	*/
-}
-/*
-void addPendingReference(Variable_t* ref) {
-	if (ref == NULL || ref->gcDoNotFree)
-		return;
-
-	//vecAdd(&pendingAdd, ref);
-
-	modReference(ref, 1);
-
-	// TODO: freeing issues when trying a = 0 while(1) { a.print() 1.print() a = a + 1 } 
-
-	//if (pendingAdd.count >= 16)
-	//	processPendingReferences();
-}
-
-void removePendingReference(Variable_t* ref) {
-	if (ref == NULL || ref->gcDoNotFree)
-		return;
-
-	if (!ref->gcDoNotFree) {
-		if (ref->variableType == FunctionClass && ref->function.builtIn) {
-			removePendingReference(ref->function.origin);
-		}
-
-		if (ref->variableType == SolvedArrayReferenceClass) {
-			removePendingReference(ref->solvedArray.arrayClassReference);
-		}
-
-		modReference(ref, 0);
-
-		//vecAdd(&pendingRemove, ref);
-	}
-}
-*/
-
-void processPendingReferences() {
-	return; //stubbed
-	vecForEach(Variable_t**, references, (&pendingAdd))
-		modReference(*references, 1);
-
-	pendingAdd.count = 0;
-
-	vecForEach(Variable_t**, references, (&pendingRemove))
-		modReference(*references, 0);
-
-	pendingRemove.count = 0;
-}
-
-void exitGarbageCollector() {
-	processPendingReferences();
-
-	vecForEach(ReferenceCounter_t*, references, (&storedReferences)) {
-		gfx_printf("[WARN] referenced var %p at exit\n", references->ref);
-		freeVariable(&references->ref);
-	}
-
-	vecFree(pendingAdd);
-	vecFree(pendingRemove);
-	vecFree(storedReferences);
 }
\ No newline at end of file
diff --git a/source/script/garbageCollector.h b/source/script/garbageCollector.h
index e014ebe..f60a706 100644
--- a/source/script/garbageCollector.h
+++ b/source/script/garbageCollector.h
@@ -1,9 +1,5 @@
 #include "model.h"
 
-void initGarbageCollector();
-//void addPendingReference(Variable_t* ref);
-void processPendingReferences();
-void exitGarbageCollector();
 //void removePendingReference(Variable_t* ref);
 
 void modReference(Variable_t* ref, u8 add);